Institutional Ownership
Mesabi Tr
CUSIP 590672101CTF BEN INTMSBQ1 2026
13D / 13G Filings
12
Schedule 13D/13G on record
Beneficial Filers
2
Distinct reporting persons
Largest Stake
22.9%
Max % of class reported
Institutional Holders
72
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
12 filings · latest Oct 29, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Oct 29, 2025 | Horizon Kinetics Asset Management LLC | 13G/A | 22.9% | 3.00M | SEC |
| 2 | Aug 14, 2025 | Valueworks LLC | 13G/A | 5.2% | 685.85B | SEC |
| 3 | Feb 13, 2025 | Horizon Kinetics Asset Management LLC | 13G/A | 21.7% | 2.84M | SEC |
| 4 | Nov 13, 2024 | Valueworks LLC | 13G/A | 6.3% | 824.4K | SEC |
| 5 | Feb 13, 2024 | Valueworks LLC | 13G/A | 6.1% | 796.4K | SEC |
| 6 | Feb 6, 2024 | Horizon Kinetics Asset Management LLC | 13G/A | 22.3% | 2.92M | SEC |
| 7 | Feb 10, 2023 | Valueworks LLC | 13G | 6.2% | 806.4K | SEC |
| 8 | Jan 30, 2023 | Horizon Kinetics Asset Management LLC | 13G/A | 20.5% | 2.68M | SEC |
| 9 | Jan 27, 2022 | Horizon Kinetics Asset Management LLC | 13G/A | 16.2% | 2.13M | SEC |
| 10 | Nov 10, 2021 | Horizon Kinetics Asset Management LLC | 13G/A | 16.0% | 2.11M | SEC |
2 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Mesabi Tr.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Horizon Kinetics Asset Management LLC | 3.14M | $98.94M |
| 2 | Valueworks LLC | 646.6K | $20.37M |
| 3 | Cwa Asset Management Group, LLC | 447.5K | $14.07M |
| 4 | Mad River Investors | 321.5K | $10.13M |
| 5 | First Manhattan Co. LLC. | 310.1K | $9.77M |
| 6 | Advisory Services Network, LLC | 184.6K | $5.82M |
| 7 | Moors & Cabot, Inc. | 180.9K | $5.70M |
| 8 | Bank Of America Corp /De/ | 177.9K | $5.60M |
| 9 | Eagleclaw Capital Managment, LLC | 169.8K | $5.35M |
| 10 | Sei Investments Co | 167.8K | $5.28M |